Need Help JD755 Will not Start

airpolice40 · Dec 6, 2009

Hello, Im having trouble starting my John Deere 755. Last month I went to start it and noticed I had run the fuel low. I filled the tank and bled the fuel system and it started right up. I went to start it yesterday and it would not start. Checked the fuel level and it was fine. When I crank the engine I just get white smoke from the exhaust but the engine will not start. Any help would greatly be appreciated.

Thanks!!!

jd110 · Dec 6, 2009

You might have glow plugs that aren't working. You also might have low comression. Also could have bad fuel. What temperature is it when trying to start? First check your fuel to be sure it is good and not contaminated with water. Then check to be sure glow plugs are working. If all that checks out, then check compression.

deere755 · Dec 8, 2009

Sounds like the glow plugs are not working. If you have a block heater plug it in and I would guess it would fire up after being plugged in for 30 minutes. Another option would be to get the motor warm with some sort of heater like a salamander. If the glow plugs are not working they are not a big job to change. Mine quit again and I have been just plugging in the block heater. Mine starts hard or will not start when the temp gets done around 35. All I get is white smoke.

sunnyside360 · Dec 8, 2009

Agree with all the above but it also could be a weak battery not turning the engine over fast enough. Try jumping the battery and see if that works. If yes, then you may just need a new battery or clean connections.

Yourkie · Dec 8, 2009

I've had a JD755 since 1989 and the only times it didn't start have been due to the battery, lack of enough diesel anti-gel additive in sub zero, or lost prime in the fuel pump. The glow plugs haven't yet been a problem.

There is a tm1360.pdf file (39meg) that is the factory service manual that you may find useful and available on the internet if you Google it.

deere755 · Dec 10, 2009

Did you ever get your tractor running? If so was it the glow plugs?

airpolice40 · Jan 8, 2010

Im working on it right now. I just checked the glow plugs and 2 of the 3 are burned out. So after I replace them Im hoping it will be running.

kavik · Jan 10, 2010

my 5510 is doing the same thing, how do you go about checking the glow plugs and replacing them?

Also, anyone know if a 5510 has a block heater plug, I can't find one-

jd110 · Jan 10, 2010

The 5510 does not have glow plugs. It does have an intake heater located in the intake manifold. It only heats if you turn the key on, then push in on the key to activate. Hod the key in for 15 or 20 seconds, then crank. A block heater is optional. It should be located in the rear of the cylinder head on the left side if equipped.

kavik · Jan 11, 2010

jd110 said:
The 5510 does not have glow plugs. It does have an intake heater located in the intake manifold. It only heats if you turn the key on, then push in on the key to activate. Hod the key in for 15 or 20 seconds, then crank. A block heater is optional. It should be located in the rear of the cylinder head on the left side if equipped.

Thanks a lot - I never knew that, should make my winter starts even easier!